If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
49419
L-glutammina
≥99.5% (NT), suitable for cell culture, BioUltra
Sinonimo/i:
5-ammide dell’acido L-glutammico, Acido (S)-2,5-diammino-5-ossopentanoico, Levoglutamide
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| Voi/SKU | Disponibilità | Prezzo |
|---|---|---|
25 g | Per conoscere la disponibilità, visualizza il carrello | CHF 66.90 |
100 g | Per conoscere la disponibilità, visualizza il carrello | CHF 223.00 |
500 g | Per conoscere la disponibilità, visualizza il carrello | CHF 665.00 |
Nome del prodotto
L-glutammina, BioUltra, ≥99.5% (NT)
product line
BioUltra
Quality Segment
assay
≥99.5% (NT)
form
powder
optical activity
[α]20/D +33.0±1°, c = 5% in 5 M HCl
technique(s)
cell culture | mammalian: suitable
impurities
insoluble matter, passes filter test, ≤0.5% foreign amino acids
ign. residue (900 °C)
≤0.1% (as SO4)
loss
≤0.1% loss on drying, 110 °C
color
white
pH
5.0-6.0 (25 °C, 0.1 M in H2O)
mp
185 °C (dec.) (lit.)
solubility
H2O: 0.1 M at 20 °C, clear, colorless
anion traces
chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤200 mg/kg
cation traces
Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg
λ
0.1 M in H2O
UV absorption
λ: 260 nm Amax: 0.01, λ: 280 nm Amax: 0.01
SMILES string
N[C@@H](CCC(N)=O)C(O)=O
InChI
1S/C5H10N2O3/c6-3(5(9)10)1-2-4(7)8/h3H,1-2,6H2,(H2,7,8)(H,9,10)/t3-/m0/s1
InChI key
ZDXPYRJPNDTMRX-VKHMYHEASA-N
Gene Information
rat ... Ggt1(116568)
Application
Biochem/physiol Actions
1 of 1
Questo articolo | |||
|---|---|---|---|
| description BioUltra, ≥99.5% (NT) | description ReagentPlus®, ≥99% (HPLC) | description meets USP testing specifications, suitable for cell culture, 99.0-101.0%, from non-animal source | description - |
| form powder | form powder | form powder | form powder |
| assay ≥99.5% (NT) | assay ≥99% (HPLC) | assay 99.0-101.0% | assay ≥99% |
| technique(s) cell culture | mammalian: suitable | technique(s) - | technique(s) cell culture | mammalian: suitable | technique(s) cell culture | mammalian: suitable |
| product line BioUltra | product line ReagentPlus® | product line - | product line - |
| solubility H2O: 0.1 M at 20 °C, clear, colorless | solubility 1 M HCl: 50 mg/mL, clear to slightly hazy, colorless | solubility H2O: 25 mg/mL | solubility H2O: 25 mg/mL |
| color white | color white to off-white | color white | color - |
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Classe di stoccaggio
11 - Combustible Solids
Che succede?
WGK 1
Punto di infiammabilità (°F)
Not applicable
Punto di infiammabilità (°C)
Not applicable
DPI (dispositivi di protezione individuale)
Eyeshields, Gloves, type N95 (US)
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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What is the Department of Transportation shipping information for this product?
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Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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Is the molecular weight of L-Glutamine 146.14 or 146.15? The label information changed.
1 answer-
Based on a molecular formula of C5H10N2O3, the molecular weight to seven significant figures is 146.1456. Over the years, this value may have been reported in Sigma-Aldrich documentation or on labels as either 146.15 (by rounding up) or 146.14 (by truncation). The material itself has not changed.
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